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AURSINC LibreVNA NanoVNA Vector Network Analyzer, Upgraded Professional Antenna Analyzer 100KHz-6GHz Measuring Full S Parameters with External Reference Input/Output, USB Based Full 2-Port Interface

3.9 3.9 out of 5 stars 16 ratings
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Purchase options and add-ons

  • [Upgraded Professional LibreVNA] LibreVNA is a open-source hardware, USB based full 2-port vector network analyzer (VNA) designed by Jankae, provides a 100kHz to 6GHz ultra-wide frequency range. Updated 6-layer PCB design that optimizes S12 port isolation and high-frequency port matching. Supports firmware update and can load a new microcontroller firmware and FPGA configuration into the LibreVNA
  • [Comparable to Lab-grade Nano VNA] The ultra-low noise power supply design and the use of 16bit ADC, together with the precision CNC's aluminum shielded housing, achieve up to 100dB of effective dynamics. Using 3 ADCs to sample data simultaneously and using FPGAs for signal processing, Libre VNA handheld antenna Analyzer is capable of scanning over 10,000 points of full dual-port measurements in less than 1 second
  • [Frequency range] Supports a wide range of frequency measurements from 100kHz to 6GHz, upgraded Frequency Accuracy is <2ppm. The S12 can achieve over 90dB of port isolation below 3GHz, allowing measurements above 6GHz use harmonics. During up to 9GHz actual tests, both S11 and S22 have more than 10dB port directivity, and S12, S21 have more than 40dB dynamics
  • [Full S-Parameters Measurements] In the LibreVNA operating mode, the VNA can measure the complete S11, S21, S12 and S21 parameters. A source signal is generated and alternately applied to the RF ports. This incoming signal at both RF ports is measured, resulting in the four S-parameters S11 and S21(when signal routes to Port 1), as well as S12 and S22(when signal routes to Port 2)
  • [3 In 1 Device] Although the VNA hardware is not designed to be used as spectrum analyzer and signal generator, the general hardware architecture of a spectrum analyzer and signal generator are similar enough to that of a VNA to implement basic spectrum measurements and output a CW signal, which might suffice if no other equipment is available. The main differences to a real spectrum analyzer and signal generator please refer to the product manual
  • [PC Software Control] The LibreVNA needs to be used with the host computer software and a separate screen, as it does not have a built-in monitor. LibreVNA provides software for the Windows and Ubuntu platforms. You just need to download and unzip it to run. Supported Operating System: Windows, Linux, MacOS. (Only 64-bit software is available for now)
  • [Packing List] 1x LibreVNA host, 1x USB type-C data cable, 1x USB power cable, 2x 30cm SMA male to male SS405 RF cable, 1x SMA male calibration kit - OPEN, 1x SMA male calibration kit - SHORT, 2x SMA male calibration kit - LOAD, 2x SMA female to female connector, 2x SMA male to male connector, 1x English manual. The LibreVNA is highly functional and capable of meeting the demands of RF engineers, researchers, or hobbyists for a wide range of RF measurements and microwave network parameter measurements
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AURSINC LibreVNA NanoVNA Vector Network Analyzer, Upgraded Professional Antenna Analyzer 100KHz-6GHz Measuring Full S Paramet
This item: AURSINC LibreVNA NanoVNA Vector Network Analyzer, Upgraded Professional Antenna Analyzer 100KHz-6GHz Measuring Full S Parameters with External Reference Input/Output, USB Based Full 2-Port Interface
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Customer reviews

3.9 out of 5 stars
16 global ratings

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Customers say

Customers find the product accurate and functional. They say it works well and provides good value for money. The software is open source, but some customers report that it gets hot during use and has poor isolation above 3GHz. There are mixed opinions on how easy it is to set up.

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AccuracyFunctionalityValue for moneySoftware open sourceEase of setupHeat resistance
5 customers mention "Accuracy"5 positive0 negative

Customers like the accuracy of the product. They say it's accurate, calibrated, and sweeping measurements in a few minutes. It measures vector, scaler network parameters, signal generator, and operation is simple and straightforward.

"...The setup and operation is very simple and straight forward...." Read more

"...software, but after that, things were calibrated and sweeping measurement in a few minutes...." Read more

"Measures Vector, scaler network parameters, also signal generator and spectrum analyzer in one functional block attached to a windows pc...." Read more

"First, the Libre NA is accurate, so it is a good value for the price...." Read more

5 customers mention "Functionality"5 positive0 negative

Customers appreciate the product's functionality. They find it works well, has a fast sweep speed, and provides good results at low frequencies. The product offers great value for its size and performance, and is easy to use and spans a wide frequency range. It shields against failure-prone fans and is intuitive and useful.

"...What a pleasant surprise. It does everything my fancy instrument do, spans a very wide frequency range - up to 6GHz and is light and tiny...." Read more

"...Much faster sweep than the nanoVNA. Also works fine up to 5.8Ghz, so that's nice. The software leaves a bit to be desired...." Read more

"...Analyzer by itself is very good for the money, and works well from the second vendor...." Read more

"...Interface program is quite intuitive and useful." Read more

5 customers mention "Value for money"5 positive0 negative

Customers appreciate the product's value for money. They say the range up to 6 GHz is amazing for the price.

"...Network Analyzer by itself is very good for the money, and works well from the second vendor...." Read more

"...vector network analyzer with frequency range up to 6 GHz is amazing for the price...." Read more

"...Overall, however, the unit is well worth the price, but is unnecessarily rough around the edges." Read more

"Fantastic VNA - rivals the big dollar, big name instruments!..." Read more

3 customers mention "Software open source"3 positive0 negative

Customers like the open source software. Reviewers say it's good right from the start.

"...The open source software is pretty darn good right from the get-go...." Read more

"...It uses all open source software, but written in C++. If you know c++ you could fix the problems. Too bad it's not in a language that I know well." Read more

"...The Windows GUI software is open source and runs directly, requiring no installation...." Read more

5 customers mention "Ease of setup"3 positive2 negative

Customers have mixed opinions about the setup process. Some find it easy to set up with a good quick start guide and an intuitive interface program. Others mention that storing calibration data and setting data can take minutes to take effect, and the software leaves a bit to be desired.

"...The setup and operation is very simple and straight forward...." Read more

"...Also works fine up to 5.8Ghz, so that's nice. The software leaves a bit to be desired. Most notably for me is the tiny font that isn't adjustable...." Read more

"...Interface program is quite intuitive and useful." Read more

"...routines for storing calibration data and setup data sometimes take minutes to take effect..." Read more

3 customers mention "Heat resistance"0 positive3 negative

Customers are unhappy with the heat resistance of the product. They mention it gets hot during use and that the isolation isn't great above 3GHz.

"...I would somewhat disagree. It does warm up a bit after prolonged usage, but nothing to cause concern from what I can tell as long as you're using it..." Read more

"Worrysome hot temperature on outside of case in normal operation... and this is in a 70F environment...." Read more

"...However, it gets hot during use - a simple top-of-unit heatsink would have helped...." Read more

Top reviews from the United States

  • Rustygears
    5.0 out of 5 stars Fantastic VNA - rivals the big dollar, big name instruments!
    Reviewed in the United States on August 13, 2023
    Color: WhiteVerified Purchase
    I design radios as a profession and I’ve used all the high end lab VNAs from the leading instrument makers. Those devices can and do easily cost north of $50K. When I needed a low cost device that was easily moved, I saw many cheap VNAs that weren’t even hobbiest grade. I stumbled on Libre VNA and read multiple reviews, including ones not on Amazon. Then I saw the software that runs on your pc that makes the “front panel” of the instrument was all open source and being actively improved through new (free) releases, so for $600, I figured I’d give it a try and if it didn’t work out, I’d send it back.

    What a pleasant surprise. It does everything my fancy instrument do, spans a very wide frequency range - up to 6GHz and is light and tiny. It’s built like a tank and is all metal - no plastic bits, so it’s durable, dissipates heat without noisy and failure prone fans and is well shielded. It’s construction is very reminiscent of some of the classic HP RF equipment and is solid. The setup and operation is very simple and straight forward. The only caution is to plug the USB cable that powers it and communicates with the host PC into a usb port that can provide a lot of power. I use a powered usb hub because I have lots of stuff attached to my la-top and that worked fine. I was up and running in only a few minutes after opening the box. The VNA came with calibration standards for SOLT cal and a couple of quality cables. I’d suggest investing in a couple of SMA male to female adapters to save wear on the instrument connectors. SMAs are only good for about 50 connections before they start to degrade. Those adapters are very cheap.
    5 people found this helpful
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  • Fonzie Sanders
    4.0 out of 5 stars A decent hobbyist-grade VNA that goes to 6GHz for under $600
    Reviewed in the United States on March 26, 2022
    Color: WhiteVerified Purchase
    So I've been waiting to see a VNA that goes up higher than the Nano widgets and implements real 2-path.

    This seems to do it!

    It took me a bit to find the companion software, but after that, things were calibrated and sweeping measurement in a few minutes.

    The open source software is pretty darn good right from the get-go. A few things with the software are quirky & nonintuitive but basically it will do anything I need...

    A few things I wish were better:
    1. The software is kinda hard-coded for older lower resolution displays and previous versions of Windows. I had to tweak resolution and some Windows scaling things to get things useable/as intended.
    2. There should be a big sticker/warning about plugging this into a USB port without using the "other" power supply feed. The device draws about 7.5W and thustly far exceeds normal USB limits. In my case, I happened to plug it into a "charging-capable" port which was able to power it without damage and without using the other supply feed. I had some good luck. Doing this with other hardware could possibly damage your equipment.
    3. The isolation isn't great above 3GHz. Oh well, you can't have it all for $600. This is well discussed out there. Seems that one of the folks that sell the open source hardware could make contributions to improve with their own spins.

    Some others have commented on the unit running very "hot." I would somewhat disagree. It does warm up a bit after prolonged usage, but nothing to cause concern from what I can tell as long as you're using it under typical indoor conditions. The nicely machined case could have used a little more surface area to help with this.

    Overall, I'm very satisfied with the unit. I hope "they" continue future hardware and software improvements.
    5 people found this helpful
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  • Aaron Kelly
    5.0 out of 5 stars Works well, software leaves a bit to be desired
    Reviewed in the United States on April 12, 2022
    Color: WhiteVerified Purchase
    Overall, it works pretty well. Much faster sweep than the nanoVNA. Also works fine up to 5.8Ghz, so that's nice. The software leaves a bit to be desired. Most notably for me is the tiny font that isn't adjustable. Be prepared to use a magnifying glass. Other than that and some other UI gotchas, it's fine. I do wish it had a screen on it so I didn't have to keep the nanoVNA as well.

    It uses all open source software, but written in C++. If you know c++ you could fix the problems. Too bad it's not in a language that I know well.
    2 people found this helpful
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  • V V P
    1.0 out of 5 stars The vendor does not check the device before sending it out
    Reviewed in the United States on November 28, 2023
    Color: WhiteVerified Purchase
    This Vendor sent a broken Network Analyzer, one of the port had intermittent connection. It can be easily identified by a routine measurements. The vendor had only one (broken) item in stock so I was not able to replace it, and bought the same model from a different vendor. Network Analyzer by itself is very good for the money, and works well from the second vendor. The original vendor received Network Analyzer which I sent back but scheduled to issue a refund only in two weeks.
    2 people found this helpful
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  • Bryan Milliren
    5.0 out of 5 stars Great value for size and performance
    Reviewed in the United States on February 14, 2022
    Color: WhiteVerified Purchase
    Measures Vector, scaler network parameters, also signal generator and spectrum analyzer in one functional block attached to a windows pc. Interface program is quite intuitive and useful.
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  • evh
    3.0 out of 5 stars Metal case gets HOT
    Reviewed in the United States on August 8, 2021
    Color: WhiteVerified Purchase
    Worrysome hot temperature on outside of case in normal operation... and this is in a 70F environment. I would worry about using this in higher temp envirionment. Design needs to be reworked to include a fan, airflow through case, large heatsink .... something.
    3 people found this helpful
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  • Torino
    5.0 out of 5 stars Great unit for the price. Easy setup.
    Reviewed in the United States on February 15, 2023
    Color: WhiteVerified Purchase
    A full 2-port vector network analyzer with frequency range up to 6 GHz is amazing for the price. Unit arrived nicely packaged with everything needed to get started. Video referenced in Amazon listing is a great quick start guide. Ready to take measurements within 30 minutes of opening the box, and I was taking my time. The Windows GUI software is open source and runs directly, requiring no installation. The software prompted to update the VNA firmware upon startup. The firmware update is readily available online and once downloaded, was able to select the update file from within the GUI software and it installed itself quickly. To put things into perspective, a (new at the time) unit I used about 30 years ago having roughly the same capability was about 4 cubic feet in size, weighed about 100 pounds, and cost about as much as a moderately sized house! Looking forward to using this unit for my projects and hobbies.
    One person found this helpful
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